A Laboratory Receives a Seizure of 592 Kilogram "Bricks" of White

Multiple Choice

A laboratory receives a seizure of 592 kilogram "bricks" of white powder. All appear to be similar based on physical characteristics. The laboratory has tested many such seizures in the past months and all have been shown to be cocaine. Use the ENFSI spreadsheet to determine how many samples must be initially tested to show that 90% of the seizure contains cocaine with 95% confidence.

A) 53
B) 12
C) 28
D) 60
E) none of the above